\begin{table}%t5
\caption{\label{tab5}The mean and the median values of the depolarisation index.}
\par
%\centering
\par
 {\small
\begin{tabular}{lll}
\hline \hline
Depolarisation index&   DP$_{\rm mean}$ &     DP$_{\rm median}$   \\
\hline
%&& \\[-8pt]
DP$_{8.35/10.45}$   & 0.98 $\pm$ 0.15 & {$\rm 1.00^{+0.02}_{-0.03}$}  \\
DP$_{4.85/8.35}$    & 0.90 $\pm$ 0.20 & {$\rm 0.91^{+0.18}_{-0.006}$} \\
DP$_{2.64/4.85}$    & 1.11 $\pm$ 0.33 & {$\rm 1.01^{+0.09}_{-0.12}$} \\
DP$_{1.4/2.64}$     & 0.33 $\pm$ 0.23 & {$\rm 0.32^{+0.30}_{-0.14}$} \\[2pt]
\hline
\end{tabular}}
\end{table}